DocumentCode
1290120
Title
Interferometric fiber-optic Doppler velocimeter with high-dynamic range
Author
Fabiny, L. ; Kersey, A.D.
Author_Institution
Div. of Opt. Sci., Naval Res. Lab., Washington, DC, USA
Volume
9
Issue
1
fYear
1997
Firstpage
79
Lastpage
81
Abstract
We describe and demonstrate a fiber-optic laser Doppler velocity sensor which is based on interferometric processing of a wavelength encoded signal. The range of the fiber-optic velocimeter is scalable from less than 1 mm/s up to 1000 m/s through changes in the optical path imbalance in the fiber-optic interferometer. A dynamic velocity resolution of <80 μm/s//spl radic/Hz is demonstrated.
Keywords
Doppler measurement; fibre optic sensors; laser velocimetry; light interferometers; dynamic velocity resolution; fiber-optic interferometer; fiber-optic laser Doppler velocity sensor; fiber-optic velocimeter; high-dynamic range; interferometric fiber-optic Doppler velocimeter; interferometric processing; optical path imbalance; wavelength encoded signal; Frequency; Motion measurement; Optical distortion; Optical fiber sensors; Optical interferometry; Optical mixing; Optical sensors; Phase shifting interferometry; Velocity measurement; Wavelength measurement;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/68.554506
Filename
554506
Link To Document